Rutland Products 146 Water Glass Cement Floor Sealer & Adhesive Multi-use, clear sealant and adhesive 100% pure Sodium Silicate 1 Gallon (3.78 L) covers approximately 200 sq. ft. when diluted Dilute with water to seal concrete, 1 part Rutland Water Glass to 4 parts water Excellent carton adhesive and label applicator when used full strength